Preheat oven to 350 degrees Fahrenheit. Line 4 large baking sheets with parchment paper; set aside.,Melt 8 ounces chocolate in a double-boiler or in the microwave until smooth.,In a separate bowl, sift the flour, cocoa, baking powder and salt.,______,Drop by tablespoonfuls 2 inches apart onto prepared baking sheets.,Bake at 350 degrees Fahrenheit for 10-12 minutes, rotating pans after 5-6 minutes. Bake until edges are set but edges are still very soft.,Remove pans from oven to wire racks to cool for 2 minutes. Carefully slide parchment paper onto wire racks to cool.